[PATCH 3/4] mmc: Import some defines for R1 responses
Jaehoon Chung
jh80.chung at gmail.com
Fri Apr 22 14:03:41 CEST 2022
On 3/31/22 01:54, Sean Anderson wrote:
> This imports defines for R1 responses from include/linux/mmc/mmc.h from
> Linux 5.10.
>
> Signed-off-by: Sean Anderson <seanga2 at gmail.com>
Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>
Best Regards,
Jaehoon Chung
> ---
> Yes, this is an old version, but it's what I had checked out, and I don't think
> there are any new fields we need to handle :)
>
> include/mmc.h | 52 +++++++++++++++++++++++++++++++++++++++++++++++++--
> 1 file changed, 50 insertions(+), 2 deletions(-)
>
> diff --git a/include/mmc.h b/include/mmc.h
> index 6bdcce881d..7304eee0d4 100644
> --- a/include/mmc.h
> +++ b/include/mmc.h
> @@ -311,8 +311,56 @@ static inline bool mmc_is_tuning_cmd(uint cmdidx)
> #define EXT_CSD_WR_DATA_REL_USR (1 << 0) /* user data area WR_REL */
> #define EXT_CSD_WR_DATA_REL_GP(x) (1 << ((x)+1)) /* GP part (x+1) WR_REL */
>
> -#define R1_ILLEGAL_COMMAND (1 << 22)
> -#define R1_APP_CMD (1 << 5)
> +/*
> + MMC status in R1, for native mode (SPI bits are different)
> + Type
> + e : error bit
> + s : status bit
> + r : detected and set for the actual command response
> + x : detected and set during command execution. the host must poll
> + the card by sending status command in order to read these bits.
> + Clear condition
> + a : according to the card state
> + b : always related to the previous command. Reception of
> + a valid command will clear it (with a delay of one command)
> + c : clear by read
> + */
> +
> +#define R1_OUT_OF_RANGE (1 << 31) /* er, c */
> +#define R1_ADDRESS_ERROR (1 << 30) /* erx, c */
> +#define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */
> +#define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */
> +#define R1_ERASE_PARAM (1 << 27) /* ex, c */
> +#define R1_WP_VIOLATION (1 << 26) /* erx, c */
> +#define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */
> +#define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */
> +#define R1_COM_CRC_ERROR (1 << 23) /* er, b */
> +#define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */
> +#define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */
> +#define R1_CC_ERROR (1 << 20) /* erx, c */
> +#define R1_ERROR (1 << 19) /* erx, c */
> +#define R1_UNDERRUN (1 << 18) /* ex, c */
> +#define R1_OVERRUN (1 << 17) /* ex, c */
> +#define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */
> +#define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */
> +#define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */
> +#define R1_ERASE_RESET (1 << 13) /* sr, c */
> +#define R1_STATUS(x) (x & 0xFFF9A000)
> +#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
> +#define R1_READY_FOR_DATA (1 << 8) /* sx, a */
> +#define R1_SWITCH_ERROR (1 << 7) /* sx, c */
> +#define R1_EXCEPTION_EVENT (1 << 6) /* sr, a */
> +#define R1_APP_CMD (1 << 5) /* sr, c */
> +
> +#define R1_STATE_IDLE 0
> +#define R1_STATE_READY 1
> +#define R1_STATE_IDENT 2
> +#define R1_STATE_STBY 3
> +#define R1_STATE_TRAN 4
> +#define R1_STATE_DATA 5
> +#define R1_STATE_RCV 6
> +#define R1_STATE_PRG 7
> +#define R1_STATE_DIS 8
>
> #define MMC_RSP_PRESENT (1 << 0)
> #define MMC_RSP_136 (1 << 1) /* 136 bit response */
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